Summary
Remote cut-off pentode, widely used as an RF and IF amplifier in radio receivers between 1932 and 1935.
Manufacturer: Raytheon Manufacturing Co., Cambridge, MA, USA.
The brand 'Eveready Raytheon' indicates that this valve was made before the end of 1933.
2.5 V indirectly heated cathode.
Physical Description
Shouldered bulb with 6 pin US style base and top cap.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from G. H. Williams, 12 Jun 1973
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Manufacturer
Raytheon Manufacturing Co., Cambridge, Massachusetts, United States of America, circa 1932
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Inscriptions
Nothing on bulb. Base: EVEREADY RAYTHEON/ER58
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Brand Names
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
122 mm (Length), 38 mm (Outside Diameter)
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References
[Book] Stokes, John. 1982. 70 Years of Radio Tubes and Valves., 176 Pages
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Keywords